... :2000&SGS 3.Prompt delivery 4.In stock Supply 52000 Long life Thrust ball bearing(OEM) 1.Types:17series,12series,11series,37series ... cover: Z, ZZ, RS, 2RS, RZ, ZNR, etc.4. Vibration and Noisy level: Z1, Z2, Z3, ZV1.ZV2.ZV3,5. Precision ... on. Shaft bearing ring, seat ring and rolling bodies are separate, and can be separately Assembly and Disassembly.7. Packing: individual box single ...